link
<a href="http://www.akaedu.org"> ok </a> </p>
<a  href =      http://www.akaedu.org "      > ok</a> </p>
< a  href =      http://www.akaedu.org       > ok</a> </p>
<a  href =   "  http://www.akaedu."org       > error</a> </p>

email </p>

<a href="mailto :tom@akaedu.org">tom</a> </p>
image </p>

<img  src="athena.jpeg" alt="athena" title="cool" /> </p>
<img  src = " athena.jpeg "   /> </p>
<img  src =  flower.jpeg    /> </p>
